December weather in Cottage Grove, OR
The average temperature in Cottage Grove in December is 40.0°F (33.3°F–46.7°F). Average precipitation: 7.57 inches. Average snowfall is 0.4 inches.
December is a winter month in Cottage Grove, and is cooler than the annual average of 52.3°F. Daily temperatures swing about 13.4°F between overnight low and afternoon high. Expect about 22 days with precipitation. Daylight averages about 8h 45m. For travel, December is a wet month.
Avg High
46.7°F
Avg Low
33.3°F
Precipitation
7.57 in
Snow
0.4 in
December records in Cottage Grove
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 68.0°F (1926) | 19.0°F (1985) | 1.80 in (2012) |
| December 2 | 69.1°F (1958) | 19.0°F (1985) | 2.98 in (1980) |
| December 3 | 66.0°F (1958) | 19.9°F (2013) | 3.30 in (1980) |
| December 4 | 71.1°F (1937) | 18.0°F (2013) | 1.98 in (1966) |
| December 5 | 64.0°F (1970) | 21.0°F (2013) | 2.20 in (1981) |
| December 6 | 66.0°F (2023) | 18.0°F (2013) | 3.31 in (1981) |
| December 7 | 64.9°F (1938) | 1.9°F (2013) | 1.61 in (1952) |
| December 8 | 64.9°F (2014) | -5.1°F (1972) | 2.08 in (1942) |
| December 9 | 66.0°F (2014) | -0.9°F (1972) | 1.80 in (1929) |
| December 10 | 69.1°F (2014) | -4.0°F (1972) | 2.42 in (1939) |
| December 11 | 66.0°F (1955) | 0.0°F (1972) | 1.51 in (1937) |
| December 12 | 63.0°F (1921) | 0.0°F (1919) | 1.85 in (1948) |
| December 13 | 66.9°F (1921) | -4.0°F (1919) | 1.89 in (2015) |
| December 14 | 64.0°F (2002) | 0.0°F (1919) | 2.20 in (1929) |
| December 15 | 64.9°F (1962) | 9.0°F (1932) | 1.69 in (2016) |
| December 16 | 64.0°F (1941) | 10.9°F (2008) | 1.81 in (1941) |
| December 17 | 73.0°F (1926) | 7.0°F (1924) | 1.17 in (1957) |
| December 18 | 64.0°F (1931) | 3.0°F (1924) | 2.25 in (1929) |
| December 19 | 63.0°F (1940) | 1.0°F (1924) | 1.81 in (1957) |
| December 20 | 63.0°F (1940) | 7.0°F (1924) | 2.36 in (1957) |
| December 21 | 66.0°F (1940) | 1.0°F (1990) | 2.83 in (1969) |
| December 22 | 64.9°F (1940) | 3.0°F (1990) | 3.01 in (1964) |
| December 23 | 64.9°F (1950) | -2.9°F (1924) | 1.80 in (1936) |
| December 24 | 61.0°F (1922) | 7.0°F (1990) | 1.81 in (1920) |
| December 25 | 64.0°F (1980) | -2.9°F (1924) | 1.57 in (2006) |
| December 26 | 64.0°F (1950) | 1.0°F (1924) | 2.10 in (1955) |
| December 27 | 62.1°F (1961) | 14.0°F (1985) | 1.58 in (1974) |
| December 28 | 66.9°F (1917) | 16.0°F (1985) | 4.19 in (1945) |
| December 29 | 62.1°F (1917) | 10.0°F (1990) | 1.78 in (2011) |
| December 30 | 68.0°F (1980) | 8.1°F (1978) | 2.95 in (1942) |
| December 31 | 60.1°F (1939) | 16.0°F (1968) | 2.30 in (2005) |